webui: update DEAR_LLM.md, rm .shadowRoot refs
diff --git a/webui/src/web-components/mobile-diff.ts b/webui/src/web-components/mobile-diff.ts
index bf53b25..6dcf19d 100644
--- a/webui/src/web-components/mobile-diff.ts
+++ b/webui/src/web-components/mobile-diff.ts
@@ -208,7 +208,7 @@
     this.fileExpandStates.set(filePath, newState);
 
     // Apply to the specific Monaco view component for this file
-    const monacoView = this.shadowRoot?.querySelector(
+    const monacoView = this.querySelector(
       `sketch-monaco-view[data-file-path="${filePath}"]`,
     );
     if (monacoView) {